@namespace url("http://www.mozilla.org/keymaster/gatekeeper/there.is.only.xul");
#sidebar-box .tabs-closebutton{
display:-moz-box!important}

sidebarheader > label{
margin-left:0!important}

#bookmarksPanel,
history-panel{
background-color:transparent!important}
#statusbar{
min-width:1px}